Centering adjustment method for loading and unloading inclined connecting pipe and reactor core of pool type sodium-cooled fast reactor

• Main Authors: LUO SHAOGUO, PANG SHULAI, LI WANHUI, DO GI-JU, ZHENG TINGYU, LI XINHUA, ZHANG XIAOPENG
• Format: Patent
• Language: Chinese; English
• Published: 05.04.2024
• Subjects: NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR REACTORS; PHYSICS

The invention provides a pool type sodium-cooled fast reactor loading and unloading inclined connecting pipe and reactor core centering adjustment method. The method comprises the following steps: carrying out centering installation on a reactor core shroud simulation piece in a reactor container; outside the reactor container, a first target positioning auxiliary tool is assembled in the loading and unloading inclined connecting pipe; installing a second target positioning auxiliary tool on a support of the reactor core shroud simulation piece; assembling a loading and unloading oblique connecting pipe to the reactor container, installing a collimating telescope on the loading and unloading oblique connecting pipe, and adjusting the loading and unloading oblique connecting pipe to enable the axis of the collimating telescope to be collinear with the corresponding positions of the left and right supports of the reactor core shroud simulation piece; welding a loading and unloading inclined connecting pipe to t